题目内容
We have rules ________ us ________.
[
]|
A .to keep, safe |
B .keeping, safe |
|
C .to keep, safety |
D .keeping, safely |
答案:A
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题目内容
We have rules ________ us ________.
[
]|
A .to keep, safe |
B .keeping, safe |
|
C .to keep, safety |
D .keeping, safely |